1.一对多关系(1 to Many):var q = from c in db.Customers from o in c.Orders where c.City == "London" select o;语句描述:Customers与Orders是一对多关系。即Orders在Custom...
                            
                            
                                分类:
数据库   时间:
2014-06-28 22:05:43   
                                阅读次数:
356
                             
                         
                    
                        
                            
                            
                                php 面向对象编程1:创建类 classvar; }}//SimpleClass::displyVar();$obje1=new SimpleClass();$obje1->displyVar();?>2: 类的继承 extends city; echo ""; ...
                            
                            
                                分类:
Web程序   时间:
2014-06-26 21:16:39   
                                阅读次数:
335
                             
                         
                    
                        
                            
                            
                                cocos2dx里加载cocosudio导出的ui配置文件,在这之上封装了一下,封装核心类包括UIManager,UILayer,UIOwnerUIManager是所有ui总的管理类,代码如下:UIManager = {	battle = 1,	city = 2,	login = 4,	...
                            
                            
                                分类:
其他好文   时间:
2014-06-26 00:44:42   
                                阅读次数:
439
                             
                         
                    
                        
                            
                            
                                1、首先,打开VS创建两个List Definition,分别是Address和City,如下图:
  2、City列表里修改Title为City Name,其实内部名称还是Title,注意一下:
  3、给City的列表实例,添加几个值,用来测试使用,如下:
  4、在Address列表里添加几个字段,分别是CityName(LookUp类型)和HomeAddress(Sing...
                            
                            
                                分类:
其他好文   时间:
2014-06-24 15:31:14   
                                阅读次数:
227
                             
                         
                    
                        
                            
                            
                                blockhouses
时间限制:1000 ms  |  内存限制:65535 KB
难度:3
描述Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing ...
                            
                            
                                分类:
其他好文   时间:
2014-06-21 22:36:56   
                                阅读次数:
316
                             
                         
                    
                        
                            
                            
                                这是一个Oracle的列转行函数:LISTAGG()先看示例代码:with temp as( select 'China' nation ,'Guangzhou' city from dual union all select 'China' nation ,'Shanghai' city fr.....
                            
                            
                                分类:
数据库   时间:
2014-06-20 19:13:41   
                                阅读次数:
224
                             
                         
                    
                        
                            
                            
                                public class City 
{
	String name; 
	int id;
	static int idCounter = 0;
	public City(String name) 
	{
		this.name=name;
		id = idCounter++;
	}
}
import java.util.ArrayList;
public class Gr...
                            
                            
                                分类:
编程语言   时间:
2014-06-19 10:36:26   
                                阅读次数:
196
                             
                         
                    
                        
                            
                            
                                SQL> var loc varchar2(30)SQL> exec :loc:='South San Francisco'PL/SQL procedure successfully completed.SQL> SELECT 2 emp.last_name,emp.first_name,j.job_title,d.department_name,l.city,l.state_province,l...
                            
                            
                                分类:
其他好文   时间:
2014-06-15 13:23:58   
                                阅读次数:
263
                             
                         
                    
                        
                            
                            
                                BabelfishTime Limit:3000MSMemory Limit:65536KTotal Submissions:30816Accepted:13283DescriptionYou have just moved from Waterloo to a big city. The peop...
                            
                            
                                分类:
其他好文   时间:
2014-06-15 11:07:12   
                                阅读次数:
237
                             
                         
                    
                        
                            
                            
                                坦克大战
时间限制:1000 ms  |  内存限制:65535 KB
难度:3
描述
Many of us had played the game "Battle city" in our childhood, and some people (like me) even often play it on computer now. 
What we are dis...
                            
                            
                                分类:
其他好文   时间:
2014-06-14 14:30:01   
                                阅读次数:
274